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Sinica-NCTS Geometry Seminar
16:00 - 17:00, May 17, 2019 (Friday)
R617, Astronomy-Mathematics Building, NTU
(台灣大學天文數學館 617室)
S^1-equivariant Index Theorems and Morse Inequalities on Complex Manifolds with Boundary
Guokuan Shao (Sun Yat-Sen University)


In this talk, we will present new versions of index theorems and Morse inequalities on complex manifolds with boundary. Let M be a relatively compact open subset with connected smooth boundary X in a complex manifold M'. Assume that M admits a holomorphic S1-action preserving the boundary X and the S1-action is transversal and CR on X. We claim that the m-th Fourier component of the q-th Dolbeault cohomology group is of finite dimension. By using Poisson operator, we prove a reduction theorem which shows that the formulas about in our main theorems involve only integrations over X. This talk is based on joint work with Chin-Yu HSIAO, Rung-Tzung HUANG and Xiaoshan LI.


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